Comment: Yes. Different Smith from the 18th century philosopher.

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In reply to comment: Chris, have you read it? (see in situ)

Yes. Different Smith from the 18th century philosopher.

It is an exploration of the question 'where do extra-normal experiences come from?'

Smith tries to answer it and is told by the first psychologist he calls that nobody has done any research on that question, so he sets out to find it himself. He talks to every manner of explorer - shamans, trippers, sensory deprivation, near-death experience, advances in brain science such as in

http://www.amazon.com/dp/0874776503?tag=bullnotbull-20

Pandas can't drive.